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Finding the Fourth Proportional to 9,044.99, 12,481.79 and 5,011.65

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Solution

The fourth proportional to 9,044.99, 12,481.79 and 5,011.65 is: 6,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,044.99 : 12,481.79 = 5,011.65 : x
  2. Step 2: Convert to fraction form
    9,044.99/12,481.79 = 5,011.65/x
  3. Step 3: Cross multiply
    9,044.99x = 12,481.79 × 5,011.65
  4. Step 4: Simplify right side
    9,044.99x = 62,554,362.85
  5. Step 5: Solve for x
    x = 62,554,362.85/9,044.99
  6. Step 6: Final answer
    x = 6,915.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.